| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | [be] difficult for [pron] [to-vb] a | 8 |
|
| 32 | [be] difficult for [pron] [to-vb] [det] | 7 |
|
| 33 | [be] difficult for [pron] [to-vb] the | 7 |
|
| 34 | [be] difficult for [pron] [to-vb] a | 7 |
|
| 35 | [be] difficult for [pron] [to-vb] [noun] | 7 |
|
| 36 | [be] difficult for [pron] [to-vb] the | 7 |
|
| 37 | [be] difficult for [pron] [to-vb] [subord] | 6 |
|
| 38 | [be] difficult for [pron] [to-vb] [adv] | 5 |
|
| 39 | [be] difficult for [pron] [to-vb] [pos pn] | 5 |
|
| 40 | [be] difficult for [pron] [to-vb] to | 5 |
|
| 41 | [be] difficult for [pron] [to-vb] [noun sg] | 5 |
|
| 42 | [be] difficult for [pron] [to-vb] to | 5 |
|
